bnx2x: Adding XAUI CL73 autoneg support

Adding CL73 support to the built in PHY in the 5771x device. Also supporting
fallbacks to CL73 if the link partner does not respond.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bnx2x_reg.h

@@ -5596,6 +5596,9 @@
 #define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR		0x0080
 
 #define MDIO_REG_BANK_RX0				0x80b0
+#define MDIO_RX0_RX_STATUS				0x10
+#define MDIO_RX0_RX_STATUS_SIGDET			0x8000
+#define MDIO_RX0_RX_STATUS_RX_SEQ_DONE			0x1000
 #define MDIO_RX0_RX_EQ_BOOST				0x1c
 #define MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK	0x7
 #define MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL		0x10
@@ -5789,12 +5792,22 @@
 #define MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT				7
 #define MDIO_OVER_1G_LP_UP3						0x1E
 
+#define MDIO_REG_BANK_REMOTE_PHY			0x8330
+#define MDIO_REMOTE_PHY_MISC_RX_STATUS				0x10
+#define MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG	0x0010
+#define MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG	0x0600
+
 #define MDIO_REG_BANK_BAM_NEXT_PAGE			0x8350
 #define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL			0x10
 #define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE			0x0001
 #define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN			0x0002
 
 #define MDIO_REG_BANK_CL73_USERB0		0x8370
+#define MDIO_CL73_USERB0_CL73_UCTRL				0x10
+#define MDIO_CL73_USERB0_CL73_UCTRL_USTAT1_MUXSEL			0x0002
+#define MDIO_CL73_USERB0_CL73_USTAT1				0x11
+#define MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK			0x0100
+#define MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37		0x0400
 #define MDIO_CL73_USERB0_CL73_BAM_CTRL1 			0x12
 #define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN				0x8000
 #define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN		0x4000